223552-13-4Relevant academic research and scientific papers
An unusual and highly efficient access to thieno[2,3-b]-benzothiopyran structures
Boivin, Jean,Boutillier, Peter,Zard, Samir Z.
, p. 2529 - 2532 (1999)
Dihydrothieno[2,3-b]-benzothiopyran-4-ones are easily obtained by an intermolecular radical addition to an unactivated olefin using an S-o- fluorophenacyl xanthate followed by a novel, base induced domino cyclisation.
